Including some shots of a show chassis.
http://www.youtube.com/watch?v=Jz_0bZ4knV8&feature=plcpThe Istituto Luce Cinecittą has just uploaded thousands of videos to YouTube which might take quite a lot of your time if you start digging around in them :-)
For example, here's some great footage of Aurelias and other cars slithering around on the 1954 Coppa del Mare e dei Monti (won by Valenzano in a B20, a 3rd series car, I think) :
http://www.youtube.com/watch?v=PG0mWn-l5_4&feature=plcpThe ILC YouTube channel is here
http://www.youtube.com/user/CinecittaLuce/videos?view=0: use the 'Search Channel' box and enjoy...